click below
click below
Normal Size Small Size show me how
Chapter 16
Medical Terminology - the eye
Question | Answer |
---|---|
The ______ is the anterior transparent portion of the eyeball. | cornea |
All of the following make up the external structure of the eye except: (urea, orbit, eyelids, conductive) | uvea |
The ______ is the opening in the center of the iris. | pupil |
The color tissue attached to the ciliary body is the: | iris |
An involuntary, constant, rhythmic movement of the eyeball is called: | nystagmus |
The medical term for dullness of vision is: | ambylopia |
Drooping of the upper eyelids is called: | blepharoptosis |
An agent that causes the pupil to contract is called: | mitoic |
An instrument used to measure intraocular pressure is: | tonometer |
The medical term for night blindness is: | nyctalopia |
A malignant tumor of the germ cell of the retina is: | retinoblastoma |
Opacity of the crystalline lens is called: | cataract |
The medical term for farsightedness is: | hyperopia |
A process of removing an entire part or mass without rupture is called: | enucleation |
A physician who specializes in the study of the eye is: | ophthalmologist |
A condition of hardening of the crystalline lens is called: | |
An unusual intolerance of light is known as: | photophobia |
In the term trichiasis, the root trich means: | hair |
In the term trifocal, the prefix tri- means: | three |
In the term keratoconjunctivitis, the combining form kerat/o means: | cornea |
Dryness of the conjunctiva is called: | xerophthalmia |
An agent that causes the pupil to dilate is called: | mydriatic |
The middle, or vascular, layer of the eyeball is called: | uvea |
The medical term for normal vision is: | emmetropia |
The process of using ultrasound to disintegrate a cataract is known as: | phacoemulsification |
A surgical procedure that may be performed to correct myopia is known as: | radial kertotomy |
In the term mydriatic, the root mydriat means: | dilation, when |
In the term conjunctivitis, the root conjunctiv means: | to join together |
In the term cryosurgery, the combining form cry/o means: | cold |
Macular degeneration involves the macular area of the: | retina |
In the term mitotic, the root nyctal means: | night |
In the term phacoemulsification, the combining form phac/o means: | lens |
In the term retrolental, the prefix retro- means: | behind |
the measurement of the forward protrusion of the eye is | exophthalmometry |
the measurement of the cornea is called: | keratometry |
_____ is used to identify changes in the blood vessels in the eye and to diagnose systemic diseases | ophthalmoscopy |
the measurement of the intraocular pressure of the eye is: | tonometry |
the measurement of the acuteness or sharpness of vision is: | visual acuity |
how many eye muscles control movement of the eye? | six |
the meibomian glands secrete | sebum |
the anterior chamber is filled with | aqueous humor |
the middle layer of the eyeball is known as the | uvea |
the innermost layer of the eye in the | retina |
the small depression located in the macula lute is known as the | fovea centralis |
the pigment necessary for night vision is | rhodopsin |
the absence of rods and cones in the area of the optic disk creates | blind spots |
in older adults the leading cause of new cases of blindness is: | macular degeneration |
____ is th process of the eyes making adjustments for seeing at various distances | accomodation |
lazy eye is also known as | amblyopia |
a condition in which the pupils are unequal is termed | anisocoria |
the root in the term keatoconjunctivitis means | join together |
the agent used to cause pupils to contract is a/an | miotic |
a drooping of the upper eyelid is known as | blepharoptosis |
the colored membrane attached to the ciliary | iris |
the term used to describe the condition of an eye being turned inward is: | esotropia |
the medical term for normal or perfect vision is | emmetropia |
the roots in orthopedics means | straight, eye |
a malignant tumor arising from the germ cell of the retina is | retinoblastoma |
dryness of the conjunctivas is termed | xerophthalmia |
the suffix in blepharoptosis means | drooping |
surgical destruction and removal of the lens is termed | phacolysis |
the most common surgery to remove a cataract is | phacoemulsification |
conjunctivitis is often called | pinkeye |